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Old 01-27-2011, 09:49 AM   #951
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We pretty much squeezed what we could out of it. Ran the power up till the torque started dropping off.

I hear people talk about running a 'Safe' tune in order to not stress their system too much. Leaning it out or whatever.

Mine was stretched and not dialed back for 'Safe' necessarily. So my number was pretty surprizing. I could take it down and put it on the local dyno at the import shop and see what it does. They are ricers but it's a dynojet. I wouldn't let them touch the tune, just dyno it.
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Old 01-27-2011, 09:51 AM   #952
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I personally think 18s are way too small for this car. I'm only using these wheels for the track.
18s don't look horrible, but I agree that the 20s look way better. My ultimate goal is to autocross mine and I want to reduce as much rotating mass as possible. I'm of the opinion that anything bigger than 20" is too big. If it was a show car only then I could see 22s, but for performance and comfort then definitely not. Don't get me wrong, I like the looks of your 22s and several other members here, but they're just not my cup of tea.
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Old 01-27-2011, 09:55 AM   #953
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Every other known factor was favorable for higher numbers. Sea level, temp, humidity, etc.............. Considering my set-up, and everyone elses numbers with same set-up, it's GOT to be the wheels.
You forgot about the PQ factor.

The PQ factors states that there will be drama in every aspect of any project relating to a Camaro or life in general. This can and will include diva-like tendencies, loss of time from work, physical removal of hair, discoloration and collapsing of hoses, use of four letter words and lost appendages.
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Old 01-27-2011, 09:57 AM   #954
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You forgot about the PQ factor.

The PQ factors states that there will be drama in every aspect of any project relating to a Camaro or life in general. This can and will include diva-like tendencies, loss of time from work, physical removal of hair, discoloration and collapsing of hoses, use of four letter words and lost appendages.
Well put Russ, but you forgot to mention injured appendages from sticking them in rotating wheels.
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Old 01-27-2011, 10:01 AM   #955
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You guys are nuts, I almost spit coffee on my computer.

I was just curious as to why some get 500 and other don't. And wondering why my cammed car got 463 and a FI car got 471. Now I understand he has alot more torgue 476 to 438 and probably at lower rpm's but just trying to learns some new idearrs not criticizing
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Old 01-27-2011, 10:01 AM   #956
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Well put Russ, but you forgot to mention injured appendages from sticking them in rotating wheels.




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...and lost appendages.
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Old 01-27-2011, 10:02 AM   #957
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Quote:
Originally Posted by Dangeruss View Post
You forgot about the PQ factor.

The PQ factors states that there will be drama in every aspect of any project relating to a Camaro or life in general. This can and will include diva-like tendencies(check), loss of time from work(check), physical removal of hair(check), discoloration and collapsing of hoses(check), use of four letter words(check) and lost appendages(skipped this time).


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Well put Russ, but you forgot to mention injured appendages from sticking them in rotating wheels.
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Old 01-27-2011, 10:12 AM   #958
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I saw what you wrote but I felt it needed a more detailed description.
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Old 01-27-2011, 10:39 AM   #959
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Emma, didn't you dyno your car with the stock wheels????

if so then this all makes sense... say 20 rwhp lost with 22's would put randy at 490....
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Old 01-27-2011, 10:53 AM   #960
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So do you lose 20 hp by having 22's?
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Old 01-27-2011, 10:58 AM   #961
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So do you lose 20 hp by having 22's?
I think the proof is in the difference between Emma's and PQ's dynos.

But yes, it is well known that the unsprung weight of 22's Kills the RWHP...
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Old 01-27-2011, 11:01 AM   #962
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Emma, didn't you dyno your car with the stock wheels????

if so then this all makes sense... say 20 rwhp lost with 22's would put randy at 490....


Quote:
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My car had the stock 20s on it for the dyno runs after the maggie was installed.



I actually hate that ^^^ emoticon. It's so snotty.
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Old 01-27-2011, 11:03 AM   #963
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I actually hate that ^^^ emoticon. It's so snotty.
smart alec...
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Old 01-27-2011, 11:03 AM   #964
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The only way to know for sure is to put a set of stock wheels on a car and then swap for 22s and dyno it with each on the same dyno on the same day. I'm not sure how much a car loses with 22s, but I'm sure it loses some.
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Old 01-27-2011, 11:06 AM   #965
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Quote:
Originally Posted by GTAHVIT View Post
if so then this all makes sense... say 20 rwhp lost with 22's would put randy at 490....


Quote:
Originally Posted by Dr Jkel View Post
So do you lose 20 hp by having 22's?
I agree with Chris. I already know it loses excelleration time.

Quote:
Originally Posted by GTAHVIT View Post
I think the proof is in the difference between Emma's and PQ's dynos.

But yes, it is well known that the unsprung weight of 22's Kills the RWHP...


Quote:
Originally Posted by Darth_Emma View Post



I actually hate that ^^^ emoticon. It's so snotty.
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Old 01-27-2011, 11:10 AM   #966
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Quote:
Originally Posted by Darth_Emma View Post
The only way to know for sure is to put a set of stock wheels on a car and then swap for 22s and dyno it with each on the same dyno on the same day. I'm not sure how much a car loses with 22s, but I'm sure it loses some.
That's what I'm going to try and do, though I'll be dropping to 18s. I guess we'll see how big that difference is and see what we can deduce.
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Old 01-27-2011, 11:15 AM   #967
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Quote:
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That's what I'm going to try and do, though I'll be dropping to 18s. I guess we'll see how big that difference is and see what we can deduce.
If I had to guess, I'd say you'll see a 30 hp difference.

Once you pass up 20 inches it gets worse. 18 to 20 may not be so bad. I'm guessing 30.
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Old 01-27-2011, 11:52 AM   #968
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Ok I am not trying to be a smart A** just trying to learn something here. I stolt some idearrs from Em and PQ with the PFadt suspension, sways, swings and trailing arms, I love them. I also have 22's well you know what kind. They are supposedly the same diameter as the stock wheels only wider in the rear, same height etc... not real sure about the weight.

PQ, Em and I have the same wheels, same brand, size etc just different styles.
I have an LS3 they have L99's we all have CAI, Header etc... they have Maggies I have a cam. But the difference is we have a wide variety of numbers in the dyno, A BIG difference Em has basically 37 more than me and 29 more than Randy.

Ok now I don't know alot but if the wheel is the same diameter, same size then what difference does it make? Wont the revolutions be the same no matter what? Maybe I am looking at it wrong.

I guess by what you are saying if my thinking is correct, if I put my stock wheels back on and go back to the Dyno I should increase my dyno numbers almost 20HP? Am I correct? So I should make around 483 with just the cam?

What is this sprung and unsprung weight you talk about Chris?
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Old 01-27-2011, 12:26 PM   #969
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Quote:
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...Wont the revolutions be the same no matter what?...
Here's a quote from Tony in another thread.

Quote:
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It isn't simply about total static weight. While that may be a factor, it is more about Moment Of Inertia. MOI is dependent on that static weight, but also the relative distance from the center of the wheel, to the location where most of that weight is. The further from the center that the weight is situated on a spinning object, the more effort it takes to spin or accelerate the object.

Generally, a 22" wheel will have a greater distance from center where its weight is situated, compared with a 20" wheel. Even if both wheels weigh exactly the same amount, it is likely the 22" wheel will take more effort to accelerate (and decelerate).

Think of a figure skater on ice. When they have their leg sticking out, they turn very slowly. When they bring their leg in closer, and stand straight up, they spin very fast. Even though both cases, the weigh the same amount.

The best performance will be found with lower diameter wheels, which have more of their weight centered around the hub area, not the outer lip area. The worst performance wheels will usually be the heavier cast aluminum wheels, since they have thicker hoops than a forged wheel does. Cast wheels also have thicker spokes, since their material cannot handle the stresses as well as a forged wheel does. This is the main reason that forged wheels are better for performance.

Hope that helps

Tony
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Old 01-27-2011, 12:33 PM   #970
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Ok I am not trying to be a smart A** just trying to learn something here. I stolt some idearrs from Em and PQ with the PFadt suspension, sways, swings and trailing arms, I love them. I also have 22's well you know what kind. They are supposedly the same diameter as the stock wheels only wider in the rear, same height etc... not real sure about the weight.

PQ, Em and I have the same wheels, same brand, size etc just different styles.
I have an LS3 they have L99's we all have CAI, Header etc... they have Maggies I have a cam. But the difference is we have a wide variety of numbers in the dyno, A BIG difference Em has basically 37 more than me and 29 more than Randy.

Ok now I don't know alot but if the wheel is the same diameter, same size then what difference does it make? Wont the revolutions be the same no matter what? Maybe I am looking at it wrong.

I guess by what you are saying if my thinking is correct, if I put my stock wheels back on and go back to the Dyno I should increase my dyno numbers almost 20HP? Am I correct? So I should make around 483 with just the cam?

What is this sprung and unsprung weight you talk about Chris?
Reducing your rotating mass can make a noticeable difference. I shaved 40lbs of rotating mass from my Camaro by going with the TSW wheels over stock and swapping my rotors out for lighter aftermarket ones.
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Old 01-28-2011, 01:12 PM   #971
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My wheels were already rotating to 4th gear when he dynoed it. I'd have thought it woldnt' be so much loss.
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Old 02-02-2011, 03:21 PM   #972
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OH COME ON..... you didn't really think you were gonna get out of this untouched did you?????



I'M N UR BUILDZ THREADZ....POSTIN MY PICZ!!!!!!!!
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Hose,

I'd bet $100 that you smile like that all the time, even in your sleep... and you don't snore when you sleep, you giggle.

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Old 02-02-2011, 03:25 PM   #973
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Here's the original front plate pic...
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Old 02-02-2011, 03:26 PM   #974
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That just means you're lame. Nobody comes here any more. lol
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Old 02-02-2011, 03:26 PM   #975
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Oh shit.

Chris startred it.

LMSAO
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